--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3978523699 dns-udp-queries-received-ipv6: 381715942 dns-tcp-queries-received-ipv4: 163353829 dns-tcp-queries-received-ipv6: 8169951 dns-udp-responses-sent-ipv4: 3976522768 dns-udp-responses-sent-ipv6: 381681134 dns-tcp-responses-sent-ipv4: 163152715 dns-tcp-responses-sent-ipv6: 8257974